Investigating the transport properties of the excitonic state in quasi-Corbino electron bilayers
作者： L. Tiemann , J.G.S. Lok , W. Dietsche , K. von Klitzing , K. Muraki
DOI: 10.1016/J.PHYSE.2007.09.148
关键词: Condensed matter physics 、 Filling factor 、 Drag 、 Voltage 、 Current (fluid) 、 Magnetoresistance 、 Materials science 、 Electron 、 Exciton 、 Thermal
摘要: We investigate two closely spaced 2D electron systems in a quasi-Corbino geometry with independent contacts to both layers. Magneto-transport and drag experiments show that at the total filling factor 1 drive current diminishes increasing interlayer interaction (parameterized by ratio of layer separation magnetic length) while voltages equal magnitude build up over layer. The identity is resilient thermal perturbations which contrasts markedly behavior observed Hall bars.
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